418 search results - page 47 / 84 » Optimizing Large Join Queries in Mediation Systems |
ICDE
2006
IEEE
14 years 9 months ago
2006
IEEE
Counting in general, and estimating the cardinality of (multi-) sets in particular, is highly desirable for a large variety of applications, representing a foundational block for ...
CIKM
2004
Springer
13 years 11 months ago
2004
Springer
With the growing importance of semi-structure data in information exchange, much research has been done to provide an effective mechanism to match a twig query in an XML database....
SIGMOD
2000
ACM
14 years 2 days ago
2000
ACM
We present MOCHA, a new self-extensible database middleware system designed to interconnect distributed data sources. MOCHA is designed to scale to large environments and is based...
ICDE
2009
IEEE
14 years 9 months ago
2009
IEEE
Due to its considerable ease of use, relational keyword search (R-KWS) has become increasingly popular. Its simplicity, however, comes at the cost of intensive query processing. Sp...
EDBT
2006
ACM
14 years 7 months ago
2006
ACM
Skyline queries help users make intelligent decisions over complex data, where different and often conflicting criteria are considered. Current skyline computation methods are rest...